| NCT02797756
| Impact of Gastroesophageal Reflux and Aspiration on Airway Inflammation and Microbiome in Children With Chronic Cough | No drug interventions | Not Available | Not Available | completed |
| NCT01858584
| Prospective, Comparative, Randomized, Controlled Trial on the Efficacy of the Treatment of Gastroesophageal Reflux Infant With Magnesium Alginate | No drug interventions | treatment | Not Available | unknown_status |
| NCT04758351
| Prospective Study on the Evaluation, Patient Reported Outcomes and Effectiveness of Treatment for Chronic Cough | No drug interventions | Not Available | Not Available | recruiting |
| NCT02196493
| An Open Label Trial of Azithromycin in Chronic Productive Cough | | treatment | 3 | unknown_status |
| NCT06378671
| Single-center Clinical Study on the Safety and Effect of Bronchoscopic Cryotherapy in Patients With Chronic Cough | No drug interventions | treatment | Not Available | recruiting |
| NCT05642559
| Study for the Development and Validation of Chronic Cough Patient Perspective Questionnaire | No drug interventions | Not Available | Not Available | completed |
| NCT03482713
| Study of Gefapixant (MK-7264) in Adult Japanese Participants With Unexplained or Refractory Chronic Cough (MK-7264-033) | | treatment | 2 | completed |
| NCT03449134
| A Study of Gefapixant (MK-7264) in Adult Participants With Chronic Cough (MK-7264-027) | | treatment | 3 | completed |
| NCT04866563
| A Study of Efficacy and Safety of AX-8 in Chronic Cough | No drug interventions | treatment | 2 | recruiting |
| NCT03638063
| ATP and Capsaicin Cough Provocation Test in Chronic Cough and Bronchiectasis | No drug interventions | Not Available | Not Available | unknown_status |
| NCT04694963
| A Multi-center Study to Determine the Prevalence and Influence of Pertussis on Subacute Cough in Shenzhen | No drug interventions | Not Available | Not Available | unknown_status |
| NCT06503939
| Etiology Analysis of Chronic Cough After COVID-19 Infection and Research on the Efficacy of ICS or ICS/LABA | No drug interventions | Not Available | Not Available | enrolling_by_invitation |
| NCT04765722
| Mepolizumab for the Treatment of Chronic Cough With Eosinophilic Airways Diseases | | treatment | 4 | recruiting |
| NCT01252225
| Lidocaine: Effect of Lidocaine in Chronic Cough | | treatment | 4 | completed |
| NCT06376448
| An Observational Study Using Novel Questionnaire to Characterize Cough Phenotypes in Patients With Chronic Cough | No drug interventions | Not Available | Not Available | recruiting |
| NCT03639727
| Cough in Eastern and Central Finland | No drug interventions | diagnostic | Not Available | completed |
| NCT04193176
| Efficacy and Safety of Gefapixant (MK-7264) in Women With Chronic Cough and Stress Urinary Incontinence (MK-7264-042) | | treatment | 3 | completed |
| NCT01777867
| Cough Reflex Sensitivity and Bronchial Hyper-responsiveness | No drug interventions | Not Available | Not Available | completed |
| NCT04984304
| Individualized Diagnosis and Treatment of Extraesophageal Reflux in Patients With Chronic Cough | No drug interventions | treatment | Not Available | recruiting |
| NCT04654481
| Study of AffloVest in At-Risk Respiratory Patients During COVID-19 Pandemic | No drug interventions | supportive_care | Not Available | terminated |
| NCT04861155
| Validation and Evaluation of a Novel Cough Detection Device | No drug interventions | diagnostic | Not Available | completed |
| NCT01297790
| Cough Responses to Tussive Agents in Health and Disease | No drug interventions | Not Available | Not Available | completed |
| NCT04193202
| Efficacy and Safety of Gefapixant (MK-7264) in Adult Participants With Recent Onset Chronic Cough (MK-7264-043) | | treatment | 3 | completed |
| NCT06542484
| The Real-world Treatment Satisfaction by Gefapixiant in RCC | | treatment | Not Available | not_yet_recruiting |
| NCT04110054
| Evaluation of S-600918 in Adults With Refractory Chronic Cough | | treatment | 2 | completed |
| NCT03449147
| A Study of Gefapixant (MK-7264) in Adult Participants With Chronic Cough (MK-7264-030) | | treatment | 3 | completed |
| NCT01413698
| Cough Count Validation | No drug interventions | Not Available | Not Available | unknown_status |
| NCT05362097
| Analysis of the Reliability and Validity of the Chinese Version of CC-QoL | No drug interventions | Not Available | Not Available | recruiting |
| NCT03864328
| A Phase 2b Study of Inhaled RVT-1601 for the Treatment of Persistent Cough in IPF | No drug interventions | treatment | 2 | terminated |
| NCT03787511
| Chronic Cough and Small Fiber Neuropathy | No drug interventions | other | Not Available | recruiting |
| NCT05689307
| Validation Study With a Non-CE Marked Medical Device (MD) | No drug interventions | diagnostic | Not Available | enrolling_by_invitation |
| NCT04525885
| A Study of Gefapixant (MK-7264) in Adult Participants With Chronic Cough (MK-7264-030)-China Extension | | treatment | 3 | completed |
| NCT01807832
| The Use of Capsaicin Challenge for Diagnosis, Monitoring and Follow-up of Chronic Cough. | No drug interventions | diagnostic | Not Available | unknown_status |
| NCT05522699
| Cough Suppressive Therapy in Patients With Chronic Cough | No drug interventions | treatment | Not Available | recruiting |
| NCT00858624
| Neurophysiology and Pharmacology of Cough Reflex Hypersensitivity | | health_services_research | Not Available | completed |
| NCT05274516
| A Trial of HRS-2261 in Healthy Subjects After Single and Multiple Oral Administration | No drug interventions | treatment | 1 | completed |
| NCT03622216
| A Dose Escalation Study of Bradanicline in Refractory Chronic Cough | | treatment | 2 | completed |
| NCT06286163
| Neuroinflammatory Interactions of ATP and P2X3 Receptor in the Airways of Chronic Cough Patients | No drug interventions | Not Available | Not Available | recruiting |
| NCT01865422
| French Linguistic and Metric Validations of Parent-proxy QOL Chronic Cough Specific Questionnaire (PC-QOL) | No drug interventions | Not Available | Not Available | completed |
| NCT03172130
| Sham CPAP vs. Straight CPAP for Chronic Cough | No drug interventions | treatment | Not Available | completed |
| NCT01432730
| A Study to Assess the Efficacy of Gefapixant (MK-7264/AF-219), in Participants With Chronic Cough (MK-7264-006) | | treatment | 2 | completed |
| NCT05392192
| A Clinical Trial to Evaluate the Safety and Efficacy in Subjects With Chronic Cough | No drug interventions | treatment | 2 | completed |
| NCT01566968
| Novel Endpoints in Cough Challenge Testing | No drug interventions | Not Available | Not Available | completed |
| NCT05813223
| Effect of Gefapixant on Cough-related Brain Activity in Patients With Chronic Cough | | basic_science | 0 | recruiting |
| NCT03696108
| A Study of Gefapixant (MK-7264) in Japanese Adult Participants With Refractory or Unexplained Chronic Cough (MK-7264-038) | | treatment | 3 | completed |